Two inmates - Yusuf (21) and Abdus (22) - allegedly hit Thangminlien Zou of Churachandpur district with blunt objects killing him at about 1 AM in the jail localed in Greater Imphal near here, Additional DGP (Prison) P Doungel said.
As the news of death of Thangminlien, imprisoned in connection with a murder case, spread, some inmates allegedly stormed into the Cell 4 of Sector-1 of the prison and killed the alleged attackers, Doungel said.
He said the cause of the attack is yet to be ascertained.